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10 Best Arc Welders 2025 in the UK

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Our Top Picks

#1

Winner

DEKOPRO 220V MMA Welder, 250A ARC Welder Machine Electrode Holder,Work Clamp, Input Power Adapter Cable (250A)

Rating
9.9
Chosen by1,114
Amperage Range
Amperage Range
Adjusting amp settings to higher levels than expected might be necessary for some tasks, which provides flexibility for new welders.

The DEKOPRO 220V MMA Welder is a versatile machine suitable for welding various types of metals including mild steel, stainless steel, and cast iron. One of its notable strengths is its advanced IGBT inverter technology, which enhances the reliability of the machine and improves welding efficiency through stable output and power-saving features.

The welder has a maximum amperage of 250A, making it capable of handling a variety of welding tasks, from DIY projects to more demanding repair and metal fabrication activities. Additionally, its closed-loop feedback control ensures safe and stable operation, even in areas with fluctuating voltage levels. This model also offers over-current and overload protection for added safety.

Its compact and lightweight design, combined with an easy-carry handle, makes it highly portable and convenient for moving around different work sites. The DEKOPRO 220V MMA Welder is a robust choice for those seeking a reliable, portable, and efficient welding machine for various applications, especially suitable for outdoor maintenance and repair tasks.

Rating
9.9
Chosen by1,114
Amperage Range
Amperage Range
Adjusting amp settings to higher levels than expected might be necessary for some tasks, which provides flexibility for new welders.
#2

DEKO 220V MMA Welder, 200A ARC Welder Machine IGBT Digital Display LCD Hot Start Welder with Electrode Holder,Work Clamp, Input Power Adapter Cable

Rating
9.8
Input Power
Input Power
Performs well with consistent use, though it's important not to use an extension lead over 10 meters.

The DEKO 220V MMA Welder offers a practical solution for both beginners and seasoned welders. It features a 200A output, which is sufficient for various welding tasks, including working with materials like mild steel, stainless steel, and cast iron. Equipped with advanced IGBT inverter technology, this welder provides stable arc performance, improving reliability in diverse applications. Its efficiency is enhanced by a pure copper core cable and inverter, which helps reduce electricity consumption — a beneficial feature for regular users looking to save on power costs.

The welder's portability is a standout feature, given its lightweight design at just 3.81 kg and a convenient carrying handle, making it easy to transport and store. This is particularly useful for outdoor work or tasks in multiple locations. Safety won't be a concern with its built-in protections, including over-current and overload safeguards, ensuring stable operation even in areas with unstable voltages.

Potential users should consider that while it is advertised as easy to use, beginners might still face a learning curve depending on their familiarity with welding equipment. Also, the duty cycle isn't specified, so longer continuous use might require intermittent breaks to prevent overheating. Its compact size suggests it may not handle very heavy-duty industrial tasks, instead being more suitable for DIY, maintenance, and repair work.

This arc welder could be an excellent choice for DIY enthusiasts or those involved in maintenance and repair tasks, offering versatility and reliable performance. It ranks well in its category, reflected by positive customer feedback, aligning with its efficient and user-friendly design.

Rating
9.8
Input Power
Input Power
Performs well with consistent use, though it's important not to use an extension lead over 10 meters.

Buying Guide for the Best Arc Welders

Choosing the right arc welder involves understanding your specific needs and the types of projects you plan to undertake. Arc welders are versatile tools used for joining metals, and selecting the right one can make a significant difference in the quality and efficiency of your work. Consider the materials you will be welding, the thickness of these materials, and the environment in which you will be working. Additionally, think about your level of experience and how often you plan to use the welder. By evaluating these factors, you can narrow down your options and find an arc welder that best suits your requirements.
Amperage RangeAmperage range refers to the range of electrical current the welder can produce. This is important because different materials and thicknesses require different amperage levels for effective welding. Lower amperage is suitable for thinner materials, while higher amperage is needed for thicker materials. If you plan to work on a variety of projects, a welder with a wide amperage range will offer more versatility. Consider the types of materials and thicknesses you will be welding most often to determine the appropriate amperage range for your needs.
Duty CycleThe duty cycle is the amount of time a welder can operate continuously before needing to cool down. It is usually expressed as a percentage of a 10-minute period. A higher duty cycle means the welder can run longer without overheating, which is crucial for larger or more demanding projects. If you plan to use the welder for extended periods or on heavy-duty tasks, look for a model with a higher duty cycle. For occasional or light use, a lower duty cycle may be sufficient.
Input PowerInput power refers to the electrical power supply required to operate the welder. Welders can be powered by either 110/120V or 220/240V outlets. The choice between these depends on the power availability in your workspace and the thickness of the materials you plan to weld. 110/120V welders are suitable for lighter tasks and are more portable, while 220/240V welders are better for heavier tasks and thicker materials. Consider the power supply you have access to and the nature of your projects when choosing the input power.
PortabilityPortability is the ease with which you can move the welder around. This is important if you need to transport the welder to different job sites or move it frequently within your workspace. Portable welders are typically lighter and more compact, making them ideal for on-the-go projects. If your work requires mobility, look for a welder that is easy to carry and has a manageable weight. For stationary work, portability may be less of a concern.
Type of Arc WelderThere are several types of arc welders, including stick welders, MIG welders, and TIG welders, each suited for different applications. Stick welders are versatile and can be used outdoors or on rusty or dirty materials. MIG welders are easier to use and are great for beginners, offering clean and efficient welds. TIG welders provide precise control and are ideal for detailed work on thin materials. Consider the type of projects you will be working on and your level of expertise when choosing the type of arc welder.